Figure 1

Dose distribution in different breasts with and without moist desquamation. 1A Treatment plan of a patient developing moist dry desquamation of the external upper quadrant. The V > 107% is located close to the skin surface (yellow arrow). 1B - Treatment plan of a patient with large breast not developing skin toxicity. The V > 107% is located deeply in the breast parenchyma (yellow arrow).